652317121 has 4 divisors (see below), whose sum is σ = 653037232. Its totient is φ = 651597012.

The previous prime is 652317119. The next prime is 652317173. The reversal of 652317121 is 121713256.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652317121 - 2¹ = 652317119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652317121.

It is not an unprimeable number, because it can be changed into a prime (652317521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358695 + ... + 360508.

It is an arithmetic number, because the mean of its divisors is an integer number (163259308).

Almost surely, 2^652317121 is an apocalyptic number.

It is an amenable number.

652317121 is a deficient number, since it is larger than the sum of its proper divisors (720111).

652317121 is an equidigital number, since it uses as much as digits as its factorization.

652317121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720110.

The product of its digits is 2520, while the sum is 28.

The square root of 652317121 is about 25540.4996231475. The cubic root of 652317121 is about 867.2672081446.

The spelling of 652317121 in words is "six hundred fifty-two million, three hundred seventeen thousand, one hundred twenty-one".